Question

the width of a rectangle is two thirds its length if the perimeter is 180 find the dimension of the rectangle

Answer 1

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Sol: Let the length of the rectangle be 'l' and the breadth be 'b'. b = 2/3 l Perimeter = 180 2(l + b) = 180 2(l + 2/3 l) = 180 2(5/3 l) = 180 10/3 l = 180 l = 180 x 3/10 l = 54 Therefore length of the rectangle is 54 m and the breadth is 2/3 x 54 i.e. 36 m.

Answer 2

we will equate the perimeter of rectangle with its given length and breadth i.e X and 3x
verification is only for rough use only to show you that LHS =RHS if they are same means our ans is right but if not our ans is wrong
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